/* CSS for ebook */
body > div > div > hr:nth-child(1) {display: none}
body > div > div > p:nth-child(2) {display: none}
body > div > div > h2:nth-child(3),hr:nth-child(3),pre:nth-child(3) {display: none}
body > div > div > hr:nth-child(4) {display: none}
